. >>> president obama is on his way back home to washington after the memorial service for nelson mandela in south africa. there was one gesture that almost stole the spotlight. >>> a local private tutor accused of taking advantage of one of his students. >>> and a look back at what we've been through in the last few hours today. here is a look at the ride through parts of prince george's county. stay with us, more winter storm coverage coming up on "news 4 at 5:00." >>> so doug, we're going to get more -- >> we've got a lot of puddles out there now. >> we're starting to see the temperatures go down. we're going to start to see really cold -- not only temperatures, but windchill over the next few days. by now, as cold as we've been over the past couple beweeks, t past month, you're probably ready. take a look towards russ tin town center, one of the areas that picked up about two to four inches, depending on where you were. we did see problems on the roads out there a little earlier. the main roads, dulles toll road looking pretty good. what a nice picture that is. the sun making its way